21303110110 has 8 divisors (see below), whose sum is σ = 38345598216. Its totient is φ = 8521244040.

The previous prime is 21303110051. The next prime is 21303110113. The reversal of 21303110110 is 1101130312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303110113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065155496 + ... + 1065155515.

It is an arithmetic number, because the mean of its divisors is an integer number (4793199777).

Almost surely, 2^21303110110 is an apocalyptic number.

21303110110 is a deficient number, since it is larger than the sum of its proper divisors (17042488106).

21303110110 is a wasteful number, since it uses less digits than its factorization.

21303110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130311018.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21303110110 its reverse (1101130312), we get a palindrome (22404240422).

The spelling of 21303110110 in words is "twenty-one billion, three hundred three million, one hundred ten thousand, one hundred ten".